It’s possible we see NYC just… move away from its current position within our lifetimes.

in NYC’s case it’s a lot more likely they put up a ton of levees to try and defer the problem, since they have the money to do that (and to play favorites); in fact i’m pretty sure that’s the main plan with respect to sea level rise in the city. people have proposed alternatives but Big Wall is just quick and easy in a way “maybe we need to normalize green spaces that can flood” isn’t